Home / 75,876.20-113,814.30-36,423.80

Finding the Fourth Proportional to 75,876.20, 113,814.30 and 36,423.80

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Solution

The fourth proportional to 75,876.20, 113,814.30 and 36,423.80 is: 54,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,876.20 : 113,814.30 = 36,423.80 : x
  2. Step 2: Convert to fraction form
    75,876.20/113,814.30 = 36,423.80/x
  3. Step 3: Cross multiply
    75,876.20x = 113,814.30 × 36,423.80
  4. Step 4: Simplify right side
    75,876.20x = 4,145,549,300.34
  5. Step 5: Solve for x
    x = 4,145,549,300.34/75,876.20
  6. Step 6: Final answer
    x = 54,635.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.